Fusion -- Argon Calling (video) DOE/Oak Ridge National Laboratory Share Print E-Mail Loading video... Caption Scientists tested ORNL-developed pellet injection technology with shattered argon pellets shot out of a bent shatter tube in a lab at ORNL. The technology was later tested on an experimental fusion plasma to mitigate runaway electrons, preventing interior wall damage. Credit Trey Gebhart/Oak Ridge National Laboratory, U.S. Dept. of Energy Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.